SOLUTION: i am having trouble with functions. could you please help solve this question? If f(x)=x^3-2x+1 then f(2/3)= i figured -1/27 was the answer but i am not sure. thanks for y

Algebra ->  Functions -> SOLUTION: i am having trouble with functions. could you please help solve this question? If f(x)=x^3-2x+1 then f(2/3)= i figured -1/27 was the answer but i am not sure. thanks for y      Log On


   

Question 74162: i am having trouble with functions. could you please help solve this question?
If f(x)=x^3-2x+1 then f(2/3)=

i figured -1/27 was the answer but i am not sure. thanks for your help.
Answer by checkley75(3666) About Me  (Show Source):
You can put this solution on YOUR website!
F(2/3)=(2/3)^3-2(2/3)+1
F(2/3)=(8/27)-4/3+1
F(2/3)=(8+9*-4+27)/27
F(2/3)=(8-36+27)/27
F(2/3)=-1/27
RIGHT ON!!!!!!!!!!!!!!! : )